68531253

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{4357}}^1$

素因数の和:4481

約数の個数: 24

約数和(自身を含む): 107311392

約数和(自身を除く): 38780139

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 4357, 5243, 13071, 15729, 30499, 91497, 213493, 466199, 640479, 1398597, 3263393, 9790179, 22843751, 68531253]

約数ペア:

[(1, 68531253), (3, 22843751), (7, 9790179), (21, 3263393), (49, 1398597), (107, 640479), (147, 466199), (321, 213493), (749, 91497), (2247, 30499), (4357, 15729), (5243, 13071)]